Cornell University’s College of Agriculture & Life Sciences has a long and productive history as an institution known for successfully introducing novel plant varieties with improved disease and insect resistance and cold tolerance to the public.

Cornell Plant Varieties

Apple Rootstocks

The joint Cornell University and United States Department of Agriculture-Agricultural Research Service (USDA-ARS) Apple Rootstock Breeding and Evaluation Program develops new rootstock cultivars with an emphasis on ease of nursery propagation, fireblight resistance, tolerance to extreme temperatures, resistance to the soil pathogens of the sub-temperate regions of the US, and tolerance to apple replant disorder.